DevTools: add eslint as presubmit hook

third_party/WebKit/Source/devtools/front_end/.eslintrc.js

Index: third_party/WebKit/Source/devtools/front_end/.eslintrc.js
diff --git a/third_party/WebKit/Source/devtools/front_end/.eslintrc.js b/third_party/WebKit/Source/devtools/front_end/.eslintrc.js
index af920939d75433906c9a8aa15d1a16f27522cf6f..8ea4889323b223cf76618a706802853d353ef378 100644
--- a/third_party/WebKit/Source/devtools/front_end/.eslintrc.js
+++ b/third_party/WebKit/Source/devtools/front_end/.eslintrc.js
@@ -16,7 +16,6 @@ module.exports = {
      * Severity: 2 == error, 1 == warning, 0 == off.
      */
     "rules": {
-
         /**
          * Enforced rules
          */
@@ -28,7 +27,6 @@ module.exports = {
         }],
         "comma-style": [2, "last"],
         "wrap-iife": [2, "inside"],
-        "yoda": [2, "never"],

[paulirish, 2016/05/20 20:26:22]

I believe we're good with this:

"yoda": [2, "never", { 
    "exceptRange": true 
}],

[lushnikov, 2016/05/20 20:54:56]

Tried that, didn't work due to the CallStackSidebarPane.js:336

 while (0 <= index && index < this.callFrames.length) {

Apparently, this is not considered to be a range due to variable on the right
side

         "spaced-comment": [2, "always", {
             "markers": ["*"]
         }],